Convert images to .ico format for favicons and app icons. Choose sizes 16–256px. All in browser.
Upload an image to convert it to ICO format. Choose which sizes (16–256px) to include. Multiple sizes will be packed into a ZIP file.
No. All conversion runs in your browser.
For favicons, use 16, 32, and 48. For app icons, add 64, 128, or 256.
Generate favicons in 16, 32, 48, and 180px from one image. Download PNG, ICO, or ZIP
Convert between PNG, JPEG, WebP, and AVIF. Adjust quality. All in browser.
Compress JPEG, PNG, WebP, and AVIF images up to 80% smaller with smart optimization